Proof of `Formal coordinates on the annihilator of a Lie subalgebra` (2nd statement)
groundedproofs/Lax825748Proofs/Annihilator.lean · lax-825748
What this proof establishes
Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.
Description
The coproduct of each generator of the defining left ideal is primitive; every term therefore has a factor annihilated by one of the series.